xc90 completely dead
 

Hi all,

I had a weird one today, i went to start my xc90 after it had been parked for about an hour and it was completely dead. The engine wasn't even trying to turn over, it was if the battery was completely drained.

The only thing I notice was that one of the registration plate lights was not working. I was visiting family so i managed to put jump leads on to the battery, it then started no problem. I disconnect the jump leads and then switched off my car, switched it back on and it started straight away. The reg plate light also started to work. I drove off and had a message saying that the dipped beam bulb was blown, I checked these and they were fine. The car has restarted fine for the rest of the day.

A couple of questions/points
1. I can't believe the reg plate light could cause this?
2. why message about the dipped beam bulb blown?
3. has anyone else had this trouble?

I do not believe the battery was flat and it was purely coincidently that it started with the jump leads, as there is no way the battery could have charged in such a short time.

any suggestion gratefully received.

Jason

If it is a 2005 or 2006 volvo model year .. water in the CEM ???

Thanks Clan,
its a 54 plate registered in November?

probably a 2005 model year unless old stock .. volvo model years change in about June

Can i check for water ingress/moisture? where is the CEM?

it is the black control unit with the fuses in under the dash above the accelerator pedal .

Thanks Clan, I'll have a check.

Anyone know how the cem gets wet in the first place, and, what is the volvo official fix for the water exposure

Thanks guys

David

water can get down the loom under the plastic windscreen panel and work it's waay into the CEM . you have to take the wiper arms off to get it off .
There is a waterproofing kit a new top cover and rubber loom boot .. also if the connectors on top the cem are corroded you can get a repair plug with all the wires already attached , if the cem is corroded it will need a new one ..

Thanks Clan

Was there a recall for this, and if so, I assume my friendly dealer can tell me if it was done? If no recall... should I buy the kit and do it to prevent future ingress?

Thanks yet again

David